Police are trying to identify a man in connection with an assault at Hollywood Bowl, Brighton Marina.
It happened on August 19 at around 11pm.
The victim – a man in his 20s – was taken to hospital with serious injuries. He has since been discharged.
Police have so far been unable to trace the man and are now appealing for the public’s assistance to identify him.
If you recognise him, or have any information that could help, please contact police online or via 101, quoting serial 1627 of 19/08.